Smoke alarm



FIG. 1 is a front elevational view of a smoke alarm showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front elevational view of a second embodiment thereof; with the remaining views being identical to the views shown in FIGS. 2-6;

FIG. 8 is a front elevational view of a third embodiment thereof;

FIG. 9 is a right side elevational view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a left side elevational view thereof;

FIG. 12 is a top plan view thereof;

FIG. 13 is a rear elevational view thereof;

FIG. 14 is a front elevational view of a fourth embodiment thereof, with the remaining views being identical to those shown in FIGS. 9-13. 

The ornamental design for the smoke alarm, as shown. 